Version 4 (modified by 7 years ago) ( diff ) | ,
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Bondi Accretion
3/18/2018
Am working on a 3D simulation of Bondi Flow onto a central sink particle and studying the accretion properties using the Krumholz accretion algorithm.
The setup has the following parameters (in computational units):
Lx=Ly=Lz | 20 |
MaxLevel (AMR) | 2 |
Mx=My=Mz | 64 |
Effective resolution (dx) | .15625 |
Sink dx = 4dx | .625 |
The following parameters are used for calculating the Bondi Flow onto the particle:
1.66 | |
From Bondi (1952) we have the following quantities (in order: Bondi radius, accretion rate, sonic radius, nondimensional density and velocity):
Library
Attachments (29)
- Bondi_Comparison.png (589.9 KB ) - added by 7 years ago.
- rho_comparison.png (1.4 MB ) - added by 7 years ago.
- vr.png (708.1 KB ) - added by 7 years ago.
- radial_mach.png (1.8 MB ) - added by 7 years ago.
- vec_comparison.png (1.8 MB ) - added by 7 years ago.
- clipped_mass.png (1.1 MB ) - added by 7 years ago.
- mesh_comparison.png (2.7 MB ) - added by 7 years ago.
- massflux.png (687.7 KB ) - added by 7 years ago.
- isosurface.png (1.8 MB ) - added by 7 years ago.
- problem.f90_steadystate (8.6 KB ) - added by 7 years ago.
- physics.data_steadystate (9.8 KB ) - added by 7 years ago.
- problem.data_steadystate (359 bytes ) - added by 7 years ago.
- scales.data_steadystate (619 bytes ) - added by 7 years ago.
- solver.data_steadystate (1.5 KB ) - added by 7 years ago.
- global.data_steadystate (7.9 KB ) - added by 7 years ago.
- Bondi_Comparison_gamma1pt4.png (392.9 KB ) - added by 7 years ago.
- mdot_comp_gamma1pt4.png (1.4 MB ) - added by 7 years ago.
- density_blowup_gamma1pt4.png (1.7 MB ) - added by 7 years ago.
- press_blowout_gam1pt4.png (648.9 KB ) - added by 7 years ago.
- press_spherical_gam1pt4.png (1.1 MB ) - added by 7 years ago.
- plane_comp_gam1pt4.png (1.8 MB ) - added by 7 years ago.
- mdot_sink_gam1pt4.png (828.1 KB ) - added by 7 years ago.
- rho_zoomed_gam1pt4.png (1.1 MB ) - added by 7 years ago.
- press_zoomed_gam1pt4.png (1.1 MB ) - added by 7 years ago.
- rho_lineout.gif (246.7 KB ) - added by 7 years ago.
- press_lineout.gif (252.2 KB ) - added by 7 years ago.
- vrad_lineout.gif (227.1 KB ) - added by 7 years ago.
- press_sonicrad.gif (2.6 MB ) - added by 7 years ago.
- press_sonicrad_zoomout.gif (804.6 KB ) - added by 7 years ago.
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